leetcode-problemset/leetcode-cn/originData/decode-string.json

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            "categoryTitle": "Algorithms",
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            "title": "Decode String",
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            "content": "<p>Given an encoded string, return its decoded string.</p>\n\n<p>The encoding rule is: <code>k[encoded_string]</code>, where the <code>encoded_string</code> inside the square brackets is being repeated exactly <code>k</code> times. Note that <code>k</code> is guaranteed to be a positive integer.</p>\n\n<p>You may assume that the input string is always valid; there are no extra white spaces, square brackets are well-formed, etc. Furthermore, you may assume that the original data does not contain any digits and that digits are only for those repeat numbers, <code>k</code>. For example, there will not be input like <code>3a</code> or <code>2[4]</code>.</p>\n\n<p>The test cases are generated so that the length of the output will never exceed <code>10<sup>5</sup></code>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;3[a]2[bc]&quot;\n<strong>Output:</strong> &quot;aaabcbc&quot;\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;3[a2[c]]&quot;\n<strong>Output:</strong> &quot;accaccacc&quot;\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> s = &quot;2[abc]3[cd]ef&quot;\n<strong>Output:</strong> &quot;abcabccdcdcdef&quot;\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= s.length &lt;= 30</code></li>\n\t<li><code>s</code> consists of lowercase English letters, digits, and square brackets <code>&#39;[]&#39;</code>.</li>\n\t<li><code>s</code> is guaranteed to be <strong>a valid</strong> input.</li>\n\t<li>All the integers in <code>s</code> are in the range <code>[1, 300]</code>.</li>\n</ul>\n",
            "translatedTitle": "字符串解码",
            "translatedContent": "<p>给定一个经过编码的字符串，返回它解码后的字符串。</p>\n\n<p>编码规则为: <code>k[encoded_string]</code>，表示其中方括号内部的 <code>encoded_string</code> 正好重复 <code>k</code> 次。注意 <code>k</code> 保证为正整数。</p>\n\n<p>你可以认为输入字符串总是有效的；输入字符串中没有额外的空格，且输入的方括号总是符合格式要求的。</p>\n\n<p>此外，你可以认为原始数据不包含数字，所有的数字只表示重复的次数 <code>k</code> ，例如不会出现像&nbsp;<code>3a</code>&nbsp;或&nbsp;<code>2[4]</code>&nbsp;的输入。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"3[a]2[bc]\"\n<strong>输出：</strong>\"aaabcbc\"\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"3[a2[c]]\"\n<strong>输出：</strong>\"accaccacc\"\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"2[abc]3[cd]ef\"\n<strong>输出：</strong>\"abcabccdcdcdef\"\n</pre>\n\n<p><strong>示例 4：</strong></p>\n\n<pre>\n<strong>输入：</strong>s = \"abc3[cd]xyz\"\n<strong>输出：</strong>\"abccdcdcdxyz\"\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= s.length &lt;= 30</code></li>\n\t<li><meta charset=\"UTF-8\" /><code>s</code>&nbsp;由小写英文字母、数字和方括号<meta charset=\"UTF-8\" />&nbsp;<code>'[]'</code> 组成</li>\n\t<li><code>s</code>&nbsp;保证是一个&nbsp;<strong>有效</strong>&nbsp;的输入。</li>\n\t<li><code>s</code>&nbsp;中所有整数的取值范围为<meta charset=\"UTF-8\" />&nbsp;<code>[1, 300]</code>&nbsp;</li>\n</ul>\n",
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